APA-referens (7:e uppl.)
International Congress of Energy and Environment Engineering and Management Portalegre, Portugal, Brito, P. S. D. d., & Gañán Gomez, J. (2010). Energy and environment engineering and management: Selected, peer reviewed papers from the 3rd International Congress of Energy and Environment Engineering and Management, Portalegre, Portugal, 25th to 27th November 2009. Trans Tech Publications.
Chicago-referens (17:e uppl.)
International Congress of Energy and Environment Engineering and Management Portalegre, Portugal, Paulo Sérgio Duque de Brito, och Jose Gañán Gomez. Energy and Environment Engineering and Management: Selected, Peer Reviewed Papers from the 3rd International Congress of Energy and Environment Engineering and Management, Portalegre, Portugal, 25th to 27th November 2009. Stafa-Zurich, Switzerland ; Enfield, New Hampshire: Trans Tech Publications, 2010.
MLA-referens (9:e uppl.)
International Congress of Energy and Environment Engineering and Management Portalegre, Portugal, et al. Energy and Environment Engineering and Management: Selected, Peer Reviewed Papers from the 3rd International Congress of Energy and Environment Engineering and Management, Portalegre, Portugal, 25th to 27th November 2009. Trans Tech Publications, 2010.
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